package com.niit.project.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import java.io.IOException;

@WebFilter("/*")
public class EncodingFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        Filter.super.init(filterConfig);
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
          servletRequest.setCharacterEncoding("utf-8"); //将请求的编码格式设置为utf-8
          servletResponse.setContentType("text/html;charset=utf-8");//设置应答的文件类型及编码格式
          filterChain.doFilter(servletRequest, servletResponse);
    }

    @Override
    public void destroy() {
        Filter.super.destroy();
    }
}
